Mount Lucas Management’s Seagate STX Stock Holding History

Mount Lucas Management’s Portfolio STX Stock Details STX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q3	$1.03M	Buy	1,120 +16	+1%	+$13.7K	0.31%	78
2026 Q2	$1.07M	Sell	1,104 -1	-0.1%	-$763	0.38%	82
2026 Q1	$433K	Buy	+1,105	New	+$422K	0.16%	142
2020 Q4	–	Sell	-141,697	Closed	-$6.98M	–	132
2020 Q3	$6.98M	Sell	141,697 -8,600	-6%	-$404K	1.46%	13
2020 Q2	$7.28M	Sell	150,297 -3,362	-2%	-$169K	1.44%	10
2020 Q1	$7.5M	Buy	153,659 +40,062	+35%	+$2.14M	1.54%	8
2019 Q4	$6.76M	Sell	113,597 -35,470	-24%	-$2.04M	1.35%	23
2019 Q3	$8.02M	Buy	+149,067	New	+$7.31M	1.44%	27
2014 Q1	–	Sell	-368,219	Closed	-$20.7M	–	109
2013 Q4	$20.7M	Sell	368,219 -9,371	-2%	-$463K	4.52%	4
2013 Q3	$16.5M	Sell	377,590 -327,012	-46%	-$13.7M	3.63%	4
2013 Q2	$31.6M	Buy	+704,602	New	+$28.4M	7.18%	2

Other funds holding STX

Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

Sanders Capital West Palm Beach, Florida $103B AUM 36.66% 1-Year Est. Return

Amundi Paris, France $496B AUM 35.36% 1-Year Est. Return

Exchange Traded Concepts Oklahoma City, Oklahoma $25.3B AUM 51.52% 1-Year Est. Return

Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return

Deutsche Bank Frankfurt Am Main Ge, Germany $362B AUM 34.89% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return

Swedbank Stockholm, Sweden $118B AUM 40.52% 1-Year Est. Return

Russell Investments Group London, United Kingdom $114B AUM 33.83% 1-Year Est. Return

Bank of Montreal Toronto, Ontario, Canada $313B AUM 26.62% 1-Year Est. Return

Mount Lucas Management's STX Position: Q3 2026 in Review

Mount Lucas Management increased its Seagate (STX) stake by 1.4% in Q3 2026, buying an estimated $13.7K and bringing the position to 1,120 shares worth $1.03M. The position accounts for 0.31% of the portfolio, ranked #78.

Mount Lucas Management first reported a position in STX in Q2 2013 and has held it in 11 quarters since. The position peaked at $31.6M in Q2 2013. 1,145 funds tracked by Wall St. Rank hold STX as of Q3 2026.

Mount Lucas Management held 1,120 shares of Seagate worth $1.03M as of Q3 2026.
Mount Lucas Management bought 16 Seagate shares in Q3 2026, an estimated $13.7K.
Seagate made up 0.31% of Mount Lucas Management's portfolio in Q3 2026, its #78 holding.
Mount Lucas Management first reported a position in Seagate in Q2 2013 and has held it in 11 quarters since.
Mount Lucas Management's Seagate position peaked at $31.6M in Q2 2013.
1,145 funds tracked by Wall St. Rank held Seagate as of Q3 2026.

Based on Mount Lucas Management's 13F filing for Q3 2026, filed 9 Nov 2026.